Home / 4,214.78-5,815.23-2,722.76

Finding the Fourth Proportional to 4,214.78, 5,815.23 and 2,722.76

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Solution

The fourth proportional to 4,214.78, 5,815.23 and 2,722.76 is: 3,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.78 : 5,815.23 = 2,722.76 : x
  2. Step 2: Convert to fraction form
    4,214.78/5,815.23 = 2,722.76/x
  3. Step 3: Cross multiply
    4,214.78x = 5,815.23 × 2,722.76
  4. Step 4: Simplify right side
    4,214.78x = 15,833,475.63
  5. Step 5: Solve for x
    x = 15,833,475.63/4,214.78
  6. Step 6: Final answer
    x = 3,756.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.